Geological Survey of Pennsylvania, Bulletins (Harrisburg), Ser.4,
G14:23 Pages, 1 Pl. DEVONIAN; PA; USA
Willard, B.
1939. Guide to the Geology from Dauphin to Sunbury.
Geological Survey of Pennsylvania, Bulletins (Harrisburg), Ser.4,
G13:24 Pages, 7 Pls. DEVONIAN; PA; USA
Willard, B.
1939. The Devonian of Pennsylvania: Middle and Upper
Devonian. Geological Survey of Pennsylvania, Bulletins
(Harrisburg), Ser.4, G19:1-28, 131- 138, Pls. 16-22. AMBOCOELIA;
ANOPLIA; ANOPLOTHECA; ATHYRIS; ATRYPA; CAMAROTOECHIA;
CENTRONELLA; CHARIONELLA; CHONETES; CRANIELLA; CRYPTONELLA;
CYRTINA; DALMANELLA; DEVONIAN; DOUVILLINA; ECHINOCOELIA; ELYTHA;
EMANUELLA; EODEVONARIA; EUNELLA; LEPTAENA; LEPTOSTROPHIA;
LINGULA; LINGULELLA; MARTINIA; MERISTELLA; NEWBERRIA;
NUCLEOSPIRA; ORBICULOIDEA; PA; PENTAMERELLA; PHOLIDOSTROPHIA;
PRODUCTELLA; PRODUCTUS; PUGNAX; RETICULARIA; RHIPIDOMELLA;
ROEMERELLA; SCHIZOPHORIA; SCHUCHERTELLA; SPIRIFER; STROPHALOSIA;
STROPHODONTA; SYRINGOTHYRIS; TROPIDOLEPTUS; USA; VITULINA
Willard, B.
1945. Devonian Sequence near Huntingdon, Pennsylvania.
Pennsylvania Academy of Science Proceedings (University Park),
19:126-133. DEVONIAN; PA; USA
Willard, B.
1945. Silurian Fossils from Ripogenus Dam, Maine. Journal of
Paleontology (Lawrence), 19(1):64-68. ATRYPA; ME; PENTAMERUS;
RHIPIDOMELLA; SILURIAN; USA; WHITFIELDELLA
Willard, B.
1966. The Harvey Bassler Collection of Peruvian Fossils. 255
pages. Bethlehem: Lehigh Univ... CARBONIFEROUS; JURASSIC; PERU
Willard, B. & Caster, K.E.
1935. Age of Devonian of Southwestern Pennsylvania. American
Association of Petroleum Geologists Bulletin (Tulsa),
19(10):1546-1550. DEVONIAN; PA; USA
Willard, B. & Cleaves, A.B.
1938. A Paleozoic Section in South-Central Pennsylvania.
Geological Survey of Pennsylvania, Bulletins (Harrisburg), Ser.4,
G8:1-38, Pls. 1-10. DEVONIAN; ORDOVICIAN; PA; SILURIAN; USA
Willard, B. & Cleaves, A.B.
1939. Ordovician-Silurian Relations in Pennsylvania.
Geological Society of America, Bulletin (Boulder), 50:1165-1198.
LINGULA; ORDOVICIAN; PA; SILURIAN; USA
Willard, B. & Whitcomb, L.
1938. Onondaga Paint-Ore Fauna from Pennsylvania. Journal of
Paleontology (Lawrence), 12(5):511-513. ANOPLOTHECA; ATRYPA;
CHONETES; DALMANELLA; DEVONIAN; ELYTHA; LEPTAENA; LEPTOSTROPHIA;
LINGULA; PA; PENTAMERELLA; PHOLIDOPS; SCHIZOPHORIA;
SCHUCHERTELLA; SPIRIFER; STROPHODONTA; USA
Willett, H. & Topley, W.
1875. Second Report of the Subwealden Exploration Committee.
British Association for the Advancement of Science, Report
(London), (Geology Sect.), 1874:21-27. CRETACEOUS; ENGLAND;
KIMMERIDGIAN
Williams, A.
1949. New Lower Ordovician Brachiopods from the Llandeilo-
Llangadock District. Part I. Geological Magazine (Cambridge),
86(3):161-174, Pl.8. DALMANELLA; HORDERLEYELLA; LLANDEILIAN;
LLANVIRNIAN; ORDOVICIAN; RESSERELLA; WALES
Williams, A.
1949. New Lower Ordovician Brachiopods from the Llandeilo-
Llangadock District. Part II. Geological Magazine (Cambridge),
86(4):226-238, Pl.11. CORINEORTHIS; HESPERORTHIS; LLANDEILIAN;
LLANVIRNIAN; ORDOVICIAN; PAURORTHIS; ROSTRICELLULA; SOWERBYELLA;
WALES
Williams, A.
1950. New Stropheodontid Brachiopods. Washington Academy of
Sciences, Journal (Washington, DC), 40(9):277-282, 1 Pl.
DEVONIAN; DOUVILLINA; #EOSTROPHONELLA; EUROPE; GLOSSOSTROPHIA;
#HERCOSTROPHIA; #MESODOUVILLINA; #MESOLISSOSTROPHIA;
#MESOPHOLIDOSTROPHIA; NORTH AMERICA; PHOLIDOSTROPHIA; SILURIAN;
STROPHONELLA; #TELAEOSHALERIA
Williams, A.
1951. Llandovery Brachiopods from Wales with Special
Reference to the Llandovery District. Geological Society of
London, Quarterly Journal, 107(1):85-136, Pls. 3-8. BRACHYPRION;
CLIFTONIA; COELOSPIRA; DALMANELLA; DOLERORTHIS; EOSTROPHEODONTA;
EOSTROPHONELLA; FARDENIA; GIRALDIELLA; GLASSIA; HIRNANTIA;
HOLTEDAHLINA; LEPTAENA; LEPTOSTROPHIA; LLANDOVERIAN; #MEIFODIA;
MERISTINA; ORDOVICIAN; RESSERELLA; SCHIZORAMMA; SILURIAN;
STRICKLANDIA; STROPHODONTA; STROPHOMENA; STROPHONELLA; TRIPLESIA;
WALES
Williams, A.
1953. The Classification of the Strophomenoid Brachiopods.
Washington Academy of Sciences, Journal (Washington, DC),
43(1):1-13. CHRISTIANIIDAE; CLASSIFICATION; GEMMELLAROIINAE;
LEPTAENOIDEINAE; LEPTESTIIDAE; LILJEVALLINAE; ORTHOTETACEA;
PLECTAMBONACEA; SCACCHINELLIDAE; SCHUCHERTELLIDAE;
SCHUCHERTELLINAE; STROPHOMENINAE
Williams, A.
1953. The Morphology and Classification of the Oldhaminid
Brachiopods. Washington Academy of Sciences, Journal (Washington,
DC), 43(9):279- 287, 3 Pls. CLASSIFICATION; MORPHOLOGY;
OLDHAMINIDINA; POIKILOSAKIDAE
Williams, A.
1953. The Geology of the Llandeilo District,
Carmarthenshire. Geological Society of London, Quarterly Journal,
108:177-208, 1 Pl. BIOSTRATIGRAPHY; LLANDEILIAN; ORDOVICIAN;
SILURIAN; WALES
Williams, A.
1953. North American and European Stropheodontids: their
Morphology and Systematics. Geological Society of America, Memoir
(Boulder), 56:1-67, 13 Pls. AMPHISTROPHIA; BRACHYPRION;
CLASSIFICATION; CYMOSTROPHIA; DOUVILLINA; DOUVILLINARIA;
DOUVILLINELLA; EOSTROPHEODONTA; EOSTROPHONELLA; EUROPE;
GAMPHALOSIA; GLOSSOSTROPHIA; HERCOSTROPHIA; IDIOGLYPTUS;
LEPTOSTROPHIA; LISSOSTROPHIA; MEGASTROPHIA; MESODOUVILLINA;
MESOPHOLIDOSTROPHIA; MORPHOLOGY; NERVOSTROPHIA; NORTH AMERICA;
PHOLIDOSTROPHIA; PROTOLEPTOSTROPHIA; PROTOMEGASTROPHIA; SHALERIA;
STROPHODONTA; STROPHODONTACEA; STROPHONELLA; STROPHONELLOIDES;
TELAEOSHALERIA
Williams, A.
1955. Shell-Structure of the Brachiopod Lacazella
mediterraneum (Risso). Nature (London), 175(4469):1123-1124.
LACAZELLA; ULTRASTRUCTURE
Williams, A.
1956. The Calcareous Shell of the Brachiopoda and its
Importance to their Classification. Cambridge Philosophical
Society, Biological Reviews, 31:243-287. CLASSIFICATION;
ULTRASTRUCTURE
Williams, A.
1956. Productorthis in Ireland. Royal Irish Academy,
Proceedings, (B), 57(13):179-183, Pl.9. IRELAND; ORDOVICIAN;
PRODUCTORTHIS
Williams, A.
1957. Evolutionary Rates of Brachiopods. Geological Magazine
(Cambridge), 94(3):201-211. EVOLUTION
Williams, A.
1960. Feeding Mechanisms of Spire-Bearing Brachiopods.
Geological Magazine (Cambridge), 97(6):514-516. ANATOMY; FEEDING;
MORPHOLOGY
Williams, A.
1962. The Barr and Lower Ardmillan Series (Caradoc) of the
Girvan District, South-West Ayrshire, with Descriptions of the
Brachiopods. Geological Society of London, Memoir, 3:1-267, 25
Pls.scotland/ caradocian/ ordovician/ craniops/ taphrorthis/
dolerorthis/ platystrophia/ dalmanella/ paucicrura/ epacroplecia/
titanambonites/ leptellina/ bilobia/ #anoptambonites/ bimuria/
craspedelia/ sowerbyella/ xenambonites/ christiania/ leptaena/
microtrypa/ mjoesina/ glyptomena/ rafinesquina/ fardenia/
#gacella/ metacamarella/ drepanorhyncha/ #orthorhynchuloides/
protozyga/ catazyga/ #aulidospira/ hyattidina/ obolus/
lingulella/ pseudolingula/ pachyglossa/ glyptoglossa/ glossella/
obolellina/ paterula/ elliptoglossa/ conotreta/ schizambon/
trematis/ schizotreta/ orbiculoidea/ petrocrania/ philhedra/
orthambonites/ nothorthis/ nicolella/ cyrtonotella/ hesperorthis/
glyptorthis/ ptychopleurella/ dinorthis/ valcourea/
multicostella/ chaulistomella/ plectorthis/ doleroides/ mimella/
skenidioides/ scaphorthis/ phragmorthis/ cristiferina/
eremotrema/ paurorthis/ reuschella/ laticrura/ pionodema/
fascifera/ diorthelasma/ eremotoechia/ triplesia/ oxoplecia/
palaeostrophomena/ glyptambonites/ isophragma/ leangella/
diambonia/ eoplectodonta/ anisopleurella/ sericoidea/
ptychoglyptus/ dactylogonia/ cyphomena/ limbimurina/ bellimurina/
macrocoelia/ pionomena/ strophomena/ camerella/ parastrophina/
parastrophinella/ porambonites/ rostricellula/ oligorhynchia/
zygospira/ idiospira/ cyclospira/ aulidospirinae NEW GENERA
Williams, A.
1963. The Caradocian Brachiopod Faunas of the Bala District,
Merionethshire. British Museum (Natural History), Bulletin
(Geology) (London), 8(7):327-471, 16 Pls. BANCROFTINA;
BELLIMURINA; BICUSPINA; CARADOCIAN; CRANIOPSIDAE; CREMNORTHIDAE;
CREMNORTHINAE; #CREMNORTHIS; CYCLOSPIRA; DALMANELLA; DINORTHIS;
DOLERORTHIS; EOPLECTODONTA; GLYPTOMENA; HEDSTROEMINA;
HETERORTHIS; HOWELLITES; KIAEROMENA; LEPTAENA; LEPTESTIINA;
LINGULELLA; MACROCOELIA; NICOLELLA; ONNIELLA; ORBICULOIDEA;
ORDOVICIAN; ORTHAMBONITES; OXOPLECIA; #PARACRANIOPS;
PHRAGMORTHINAE; PLATYSTROPHIA; PSEUDOCRANIA; REUSCHELLA;
RHACTORTHINAE; #RHACTORTHIS; ROSTRICELLULA; SALOPIA; SERICOIDEA;
SKENIDIOIDES; SOWERBYELLA; STROPHOMENA; VELLAMO; WALES
Williams, A.
1965. Introduction. In: R.C. Moore (Ed), Treatise on
Invertebrate Paleontology. Part H: Brachiopoda, p.1-5. G.S.A.:
Univ. of Kansas Press. CLASSIFICATION; REFERENCE
Williams, A.
1965. Stratigraphic Distribution. In: R.C. Moore (Ed),
Treatise on Invertebrate Paleontology. Part H: Brachiopoda,
p.237-250. G.S.A.: Univ. of Kansas Press. CLASSIFICATION;
DISTRIBUTION; REFERENCE; STRATIGRAPHY
Williams, A.
1965. Techniques for Preparation of Fossil and Living
Brachiopods. In: R.C. Moore (Ed), Treatise on Invertebrate
Paleontology. Part H: Brachiopoda, p.251-256. G.S.A.: Univ. of
Kansas Press. CLASSIFICATION; PREPARATION; REFERENCE; TECHNIQUES
Williams, A.
1966. Growth and Structure of the Shell of Living Articulate
Brachiopods. Nature (London), 211(5054):1146-1148. GROWTH;
RECENT; ULTRASTRUCTURE
Williams, A.
1968. Significance of the Structure of the Brachiopod
Periostracum. Nature (London), 218(5141):551-554. PHYSIOLOGY;
RECENT; ULTRASTRUCTURE
Williams, A.
1968. A History of Skeletal Secretion among Articulate
Brachiopods. Lethaia (Oslo), 1(3):268-287. HISTORY; PHYLOGENY;
ULTRASTRUCTURE
Williams, A.
1968. Shell Structure of the Billingsellacean Brachiopods.
Palaeontology (London), 11(3):486-490. BILLINGSELLACEA; CAMBRIAN;
KOTUJELLA; NISUSIA; ULTRASTRUCTURE; USSR
Williams, A.
1968. Evolution of the Shell Structure of Articulate
Brachiopods. Special Papers in Palaeontology (London), 2:55
Pages. EVOLUTION; ULTRASTRUCTURE
Williams, A.
1969. Helen Marguerite Muir-Wood (1895-1968). Geological
Society of London, Proceedings, 1655:123-125. BIOGRAPHY
Williams, A.
1969. Ordovician Faunal Provinces with Reference to
Brachiopod Distribution. In: A. Wood (Ed), The Pre-Cambrian and
Lower Palaeozoic Rocks of Wales, p.117-154. Univ. of Wales Press.
INCOMPLETE; DISTRIBUTION; ORDOVICIAN; WALES
Williams, A.
1969. Ordovician of British Isles. American Association of
Petroleum Geologists Memoir (Tulsa), 12:236-264. DISTRIBUTION;
ENGLAND; ORDOVICIAN
Williams, A.
1970. Spiral Growth of the Laminar Shell of the Brachiopod
Crania. Calcified Tissue Research (Heidelberg), 6:11-19, 9 Pls.
CRANIA; GROWTH; RECENT; ULTRASTRUCTURE
Williams, A.
1970. Origin of Laminar-Shelled Articulate Brachiopods.
Lethaia (Oslo), 3(4):329-342. NISUSIA; OLIGOMYS; ORIGIN; ORUSIA;
PHYLOGENY; ULTRASTRUCTURE
Williams, A.
1971. Comments on the Growth of the Shell of Articulate
Brachiopods. Smithsonian Contributions to Paleobiology
(Washington, DC), 3:47-67, 2 Pls. GROWTH; ULTRASTRUCTURE
Williams, A.
1971. Scanning Electron Microscopy of the Calcareous
Skeleton of Fossil and Living Brachiopoda. Scanning Electron
Microscopy (Chicago), :37-66. Academic Press Inc. (London) Ltd.
INCOMPLETE; ELECTRON MICROSCOPY; ULTRASTRUCTURE
Williams, A.
1972. An Ordovician Whiterock Fauna in Western Ireland.
Royal Irish Academy, Proceedings, (B), 72(12):209-219, 2 Pls.
ARENIGIAN; BIOSTRATIGRAPHY; EREMOTOECHIA; HESPERONOMIELLA;
IRELAND; LINGULELLA; LLANDEILIAN; LLANVIRNIAN; ORDOVICIAN;
PLEURORTHIS; RHYSOSTROPHIA; TOQUIMIA; VALCOUREA; WHITEROCKIAN
Williams, A.
1973. The Secretion and Structural Evolution of the Shell of
Thecideidine Brachiopods. Royal Society of London, Philosophical
Transactions, Ser.B, 264(865):439-478. EVOLUTION; LACAZELLA;
RECENT; SHELL SECRETION; THECIDELLINA
Williams, A.
1973. Distribution of Brachiopod Assemblages in Relation to
Ordovician Paleogeography. Systematics Association Publication
(London), 9, Special Papers in Palaeontology 12, Organisms and
Continents Through Time, :241-269. INCOMPLETE; DISTRIBUTION;
ORDOVICIAN; PALEOGEOGRAPHY
Williams, A.
1974. Ordovician Brachiopoda from the Shelve District,
Shropshire. British Museum (Natural History), Bulletin (Geology)
Supplement (London), 2:1- 163, 28 Pls. APSOTRETA; #ASTRABORTHIS;
BICUSPINA; #BYSTROMENA; #CAEROPLECIA; CONOTRETA; DALMANELLA;
DESMORTHIS; DIPARELASMA; DOLERORTHIS; DRABOVIA; ENGLAND;
#EOCRAMATIA; EOCRAMATIIDAE; EUORTHISINA; FURCITELLA; GELIDORTHIS;
GLYPTORTHIS; HARKNESSELLA; HESPERONOMIA; HETERORTHIS;
HORDERLEYELLA; KIAEROMENA; KJAERINA; KULLERVO; LEPTAENA;
LINGULELLA; MCEWANELLA; MONOBOLINA; MURINELLA; NICOLELLA;
NOCTURNELLIA; OBOLUS; ONNIELLA; ORBICULOIDEA; ORDOVICIAN;
ORTHAMBONITES; ORTHIS; OSLOGONITES; OXOPLECIA; PALAEOGLOSSA;
PALAEOSTROPHOMENA; PARALENORTHIS; PARASTROPHINELLA; PATERULA;
PETROCRANIA; PLATYSTROPHIA; PLECTORTHIS; #PROTOSKENIDIOIDES;
PSEUDOLINGULA; RAFINESQUINA; REUSCHELLA; ROSTRICELLULA;
#SALACORTHIS; SALOPIA; SCHIZOCRANIA; SCHIZOTRETA; SCHMIDTITES;
SERICOIDEA; SKENIDIOIDES; SOWERBYELLA; TAZZARINIA; TISSINTIA;
TRIPLESIA; #WHITTARDIA; WHITTARDIINAE; ZYGOSPIRA
Williams, A.
1976. Plate Tectonics and Biofacies Evolution as Factors in
Ordovician Correlation. In: M.G. Bassett (Ed), The Ordovican
System, p.29-66. Cardiff: Univ. of Wales Press. CORRELATION;
EVOLUTION; ORDOVICIAN; PLATE TECTONICS
Williams, A.
1977. Differentiation and Growth of the Brachiopod Mantle.
American Zoologist (Lawrence), 17(1):107-120. GLOTTIDIA; GROWTH;
MANTLE; NOTOSARIA; THECIDELLINA
Williams, A.
1984. Chapter 39- Lophophorates. In: J. Bereiter-Hahn; A.G.
Matoltsy; & K.S. Richards (Eds), Biology of the Integument. Vol.
1. Invertebrates, p.728-745. Berlin: Springer-Verlag. REFERENCE
Williams, A.
1990. The Revision of Brachiopoda (H) of the Treatise on
Invertebrate Paleontology. (Abstr.). 2nd International Congress
on Brachiopods, Abstracts, Dunedin, New Zealand, :98. TREATISE
Williams, A.
1990. Biomineralization in the Lophophorates. In: J.G.
Carter (Ed), Skeletal Biomineralization: Patterns, Processes and
Evolutionary Trends, Vol. 1, p.67-82. New York: Van Nostrand
Reinhold. BIOMINERALIZATION; ULTRASTRUCTURE
Williams, A.
1990. Brachiopoda and Bryozoa. In: J.G. Carter (Ed),
Skeletal Biomineralization: Pattern, Processes and Evolutionary
Trends, Vol. 2, p.57-62, 87-94, Pls. 141-156. New York: Van
Nostrand Reinhold. BIOMINERALIZATION; ULTRASTRUCTURE
Williams, A.
1993. A prospective brachiopod classification. Nerc News
Journal (London), :37-39. INCOMPLETE; CLASSIFICATION; DISCINA;
LINGULA; NEOCRANIA; NOTOSARIA; PHYLOGENY; STROPHOMENA;
TEREBRATULINA; ULTRASTRUCTURE; WAAGENOCONCHA
Williams, A. & Brunton, C.H.C.
1993. Role of Shell Structure in the Classification of the
Orthotetidine Brachiopods. Palaeontology (London), 36(4):931-966,
5 Pls. APSOCALYMMA; BROCHOCARINA; CLADISTICS; CLASSIFICATION;
DAVIDSONIA; DAVIDSONIIDAE; FARDENIA; KOSKINOID STRUCTURE;
LEPTAGONIA; NEOCRANIA; ORTHOPLEURA; PETROCRANIA; PHYLOGENY;
PUNCTATION; RAFINESQUINA; SCHUCHERTELLA; SPINOCYRTIA;
STREPTORHYNCHUS; STROPHOMENA; ULTRASTRUCTURE; XYSTOSTROPHIA
Williams, A. & Curry, G.B.
1985. Lower Ordovician Brachiopoda from the Tourmakeady
Limestone, Co. Mayo, Ireland. British Museum (Natural History),
Bulletin (Geology) (London), 38(4):183-269. ACANTHAMBONIA;
#ACANTHOGLYPHA; #ACANTHOTOECHIA; APHEOORTHIS; ARCHAEORTHIS;
#BORUA; CERATRETA; CONOTRETA; #CROSSISKENIDIUM; #CYRBASIOTRETA;
#DICTYOBOLUS; ELLIPTOGLOSSA; EOCONULUS; IDIOSTROPHIA; IRELAND;
#KARNOTRETA; LEPTELLA; LINGULELLA; LINGULOBOLUS; #LOMATORTHIS;
MULTISPINULA; #MYLLOCONOTRETA; NOTHORTHIS; #NOTOSCAPHIDIA;
ORDOVICIAN; ORTHAMBONITES; ORTHIDIUM; PHRAGMORTHIS; PLECTOGLOSSA;
POMATOTREMA; PORAMBONITES; #PROTOHESPERONOMIA; PROTOSKENIDIOIDES;
PUNCTOLIRA; SCAPHELASMA; SCHIZOTRETA; SYNTROPHINA; TAPHRORTHIS;
#TOURMAKEADIA; TRITOECHIA; WESTONIA
Williams, A. & Curry, G.B.
1991. The Microarchitecture of some Acrotretide Brachiopods.
In: D.I. MacKinnon; D.E. Lee; & J.D. Campbell (Eds), Brachiopods
Through Time, p.133-140. Rotterdam: A.A. Balkema. OPSICONIDION;
ORBICULOIDEA; TEREBRATALIA; ULTRASTRUCTURE; WALTONIA
Williams, A.; Cusack, M. & Mackay, S.
1994. Collagenous chitinophosphatic shell of the brachiopod
Lingula. Royal Society of London, Philosophical Transactions,
Ser.B, 346(1316):223- 266. DISCINA; LINGULA; RECENT;
ULTRASTRUCTURE
Williams, A. & Hewitt, R.A.
1977. The Delthyrial Covers of Some Living Brachiopods.
Royal Society of London, Proceedings, Ser.B, Biological Sciences,
197(1126):105-129. GRYPHUS; HEMITHIRIS; LIOTHYRELLA; MORPHOLOGY;
NOTOSARIA; RECENT; TEREBRATALIA; TEREBRATULINA; WALTONIA
Williams, A. & Holmer, L.E.
1992. Ornamentation and Shell Structure of Acrotretid
Brachiopods. Palaeontology (London), 35(3):657-692, 7 Pls.
ACROTRETACEA; ANGULOTRETA; APSOTRETA; CONOTRETA; DISCINA;
GLOTTIDIA; HISINGERELLA; LINNARSSONELLA; ORNAMENTATION;
PROTOTRETA; RHINOTRETA; SCAPHELASMA; ULTRASTRUCTURE
Williams, A. & Hurst, J.M.
1977. Brachiopod Evolution. In: A. Hallam, Ed., Patterns of
Evolution as Illustrated by the Fossil Record. Developments in
Palaeontology and Stratigraphy, 5:79-121. EVOLUTION; PHYLOGENY
Williams, A.; Lockley, M.G. & Hurst, J.M.
1981. Benthic Palaeocommunities Represented in the Ffairfach
Group and Coeval Ordovician Successions of Wales. Palaeontology
(London), 24(4): 661-694. COMMUNITIES; DALMANELLA; HESPERORTHIS;
HORDERLEYELLA; LLANVIRNIAN; ORDOVICIAN; PALEOCOMMUNITIES;
PALEOECOLOGY; SOWERBYELLA; TISSINTIA; WALES
Williams, A. & Mackay, S.
1978. Secretion and Ultrastructure of the Periostracum of
some Terebratulide Brachiopods. Royal Society of London,
Proceedings, Ser.B, Biological Sciences, 202(1147):191-209.
MORPHOLOGY; ULTRASTRUCTURE
Williams, A. & Mackay, S.
1979. Differentiation of the Brachiopod Periostracum.
Palaeontology (London), 22(3):721-736, Pls. 93-96. CRANIA;
DISCINISCA; EVOLUTION; GWYNIA; HISTOLOGY; LINGULA; MORPHOLOGY;
NOTOSARIA; PELAGODISCUS; THECIDELLINA; WALTONIA
Williams, A.; Mackay, S. & Cusack, M.
1992. Structure of the Organo-Phosphatic Shell of the
Brachiopod Discina. Royal Society of London, Philosophical
Transactions, Ser.B, 337:83-104. DISCINA; ULTRASTRUCTURE
Williams, A. & Rowell, A.J.
1965. Classification. In: R.C. Moore (Ed), Treatise on
Invertebrate Paleontology. Part H: Brachiopoda, p.214-237.
G.S.A.: Univ. of Kansas Press. CLASSIFICATION; REFERENCE
Williams, A. & Rowell, A.J.
1965. Brachiopod Anatomy. Part H: Brachiopoda. In: R.C.
Moore (Ed), Treatise on Invertebrate Paleontology, p.6-57.
G.S.A.: Univ. of Kansas Press. ANATOMY; CLASSIFICATION; REFERENCE
Williams, A. & Rowell, A.J.
1965. Brachiopod Morphology. In: R.C. Moore (Ed), Treatise
on Invertebrate Paleontology. Part H: Brachiopoda, p.57-155.
G.S.A.: Univ. of Kansas Press. CLASSIFICATION; MORPHOLOGY;
REFERENCE
Williams, A. & Rowell, A.J.
1965. Evolution and Phylogeny. In: R.C. Moore (Ed), Treatise
on Invertebrate Paleontology. Part H: Brachiopoda, p.164-199.
G.S.A.: Univ. of Kansas Press. CLASSIFICATION; EVOLUTION;
PHYLOGENY; REFERENCE
Williams, A.; Rowell, A.J.; Ager, D.V.; et al.
1965. Morphological Terms. In: R.C. Moore (Ed), Treatise on
Invertebrate Paleontology. Part H: Brachiopoda, p.139-155.
G.S.A.: Univ. of Kansas Press. CLASSIFICATION; MORPHOLOGY;
REFERENCE
Williams, A. & Wright, A.D.
1961. The Origin of the Loop in Articulate Brachiopods.
Palaeontology (London), 4(2):149-176. FEEDING; LOOP; LOOP
DEVELOPMENT; ORIGIN
Williams, A. & Wright, A.D.
1963. The Classification of the 'Orthis testudinaria Dalman'
Group of Brachiopods. Journal of Paleontology (Lawrence),
37(1):1-32, 2 Pls. AULACELLA; BANCROFTINA; CLASSIFICATION;
CRASSIORINA; CRISTIFERINA; CRYPTOTHYRIS; DALEJINA; DALMANELLA;
DEDZETINA; DICEROMYONIA; ELSAELLA; EODALMANELLA; FASCICOSTELLA;
HETERORTHINA; HOWELLITES; IDIORTHIS; LEVENEA; MENDACELLA;
MESODALMANELLA; ONNIELLA; ORTHIS; PAUCICRURA; PROSCHIZOPHORIA;
RESSERELLA; SOUDLEYELLA; TEICHERTINA
Williams, A. & Wright, A.D.
1965. Orthida. In: R.C. Moore (Ed), Treatise on Invertebrate
Paleontology. Part H: Brachiopoda, p.299-359. G.S.A.: Univ. of
Kansas Press. BILLINGSELLACEA; CLASSIFICATION; CLITAMBONITACEA;
ENTELETACEA; EVENKININAE; GONAMBONITACEA; HYPSOMYONIIDAE;
KAYSERELLIDAE; KAYSERELLINAE; METORTHINAE; ORTHACEA; PROKOPIINAE;
REFERENCE; TRIPLESIACEA
Williams, A. & Wright, A.D.
1967. Orders Orthida, Pentamerida, Strophomenida. In: W.B.
Harland et al. (Eds), The Fossil Record, p.401-405. London:
Geological Society. INCOMPLETE; CLASSIFICATION
Williams, A. & Wright, A.D.
1970. Shell Structure of the Craniacea and other Calcareous
Inarticulate Brachiopoda. Special Papers in Palaeontology
(London), 7:1-51, 15 Pls. ACANTHOCRANIA; ANCISTROCRANIA; CRANIA;
CRANIACEA; CRANISCUS; DANOCRANIA; ISOCRANIA; ORTHISOCRANIA;
PETROCRANIA; PSEUDOCRANIA; ULTRASTRUCTURE
Williams, A. & Wright, A.D.
1981. The Ordovician-Silurian Boundary in the Garth Area of
Southwest Powys, Wales. Geological Journal (Liverpool), 16:1-39.
AEGIROMENA; ANISOPLEURELLA; BIMURIA; BIOSTRATIGRAPHY;
CHONETOIDEA; CHRISTIANIA; CLIFTONIA; CLORINDA; CREMNORTHIS;
CRYPTOTHYRELLA; CYCLOSPIRA; DALMANELLA; DEDZETINA; DICOELOSIA;
DICTYONELLA; DIPLONORTHIS; DOLERORTHIS; EOCOELIA; EOPLECTODONTA;
EOSPIRIGERINA; EOSTROPHEODONTA; EREMOTREMA; FARDENIA; FOLIOMENA;
GIRALDIELLA; GLYPTORTHIS; GUNNARELLA; HINDELLA; HIRNANTIA;
HIRNANTIAN; HOLTEDAHLINA; HOWELLITES; ISORTHIS; KATASTROPHOMENA;
KINNELLA; KOZLOWSKITES; KULLERVO; LEANGELLA; LEPTAENA;
LEPTESTIINA; LLANDOVERIAN; MEIFODIA; NICOLELLA; ONNIELLA;
ORDOVICIAN; ORTHAMBONITES; PARACRANIOPS; PENTAMERUS; PENTLANDINA;
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